金刚石与磨料磨具工程2011，Vol.31Issue(2)：50-54,5.DOI:10.3969/j.issn.1006-852X.2011.02.011
Ti对陶瓷结合剂及金刚石磨具性能的影响
Effect of titanium on the properties of vitrified bond and diamond grinding tool
摘要
Abstract
By means of seger-cone, flat flowing, scanning electron microscopy (SEM) and energy dispersive spectrum ( EDS), three-point bending and Rockwell hardness test, this research discussed the effect of Ti on R2O-B2O3-Al2O3-SiO2 vitrified bond and that on the properties of vitrified bond diamond grinding tool.The results showed that, with the addition of the element of Ti the glass fusion temperature of the vitrified bond was reduced, and the coefficient of linear expansion increased as the element of Ti increasing.For the vitrified bond diamond grinding tool, Ti additive could reduce the porosity, increase the density and improve the wettability of the bond to the diamonds.When sintered at 780 ℃ and by adding 15％ Ti, the bending of diamond grinding tool got the maximum value of 49.86 MPa, and the hardness of the diamond grinding tool was up to 76.27 HRB, which means an increase of 41.2％ and 44.92％ respectively compared with no-Ti vitrified bond diamond grinding tool.关键词
Ti/陶瓷结合剂/金刚石磨具Key words
titanium: vitrified bonder: diamond abrasives分类
矿业与冶金引用本文复制引用
王志起,万隆,胡伟达,刘小磐,张国威,翟浩冲..Ti对陶瓷结合剂及金刚石磨具性能的影响[J].金刚石与磨料磨具工程,2011,31(2):50-54,5.基金项目
郑州市科技局(083SCYG23129),长沙科技计划项目(K0905012111) （083SCYG23129）
